Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefunken Patentverwertungs GmbH
Original Assignee
Telefunken Patentverwertungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefunken Patentverwertungs GmbHfiledCriticalTelefunken Patentverwertungs GmbH
Priority to FR923122ApriorityCriticalpatent/FR1354972A/en
Application grantedgrantedCritical
Publication of FR1354972ApublicationCriticalpatent/FR1354972A/en
G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
G01S5/14—Determining absolute distances from a plurality of spaced points of known location
G—PHYSICS
G04—HOROLOGY
G04F—TIME-INTERVAL MEASURING
G04F10/00—Apparatus for measuring unknown time intervals by electric means
Landscapes
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
FR923122A1963-01-301963-01-30 Method for accurately determining the travel time of electromagnetic wavesExpiredFR1354972A (en)